Index
Vendors ranked for PT-141
Ranked on PT-141's price per mg against the market median — documentation and testing count as they do overall.
Rank 01
Next Gen Peptides
ILS Laboratories · 49 certificates
93.8score
Extensively documented97%
Rank 02
PeptidePlugs
Freedom Diagnostics Testing · 103 certificates
89.7score
Extensively documented90%
Rank 03
Koi Peptides
Peptology Labs · 8 certificates
82score
Well documented94%
- 1Next Gen PeptidesILS Laboratories · 49 certificatesVerified labPublic COA53%Price idxExtensively documented97%Visit93.8
- 2PeptidePlugsFreedom Diagnostics Testing · 103 certificatesPublic COA55%Price idxExtensively documented90%Visit89.7
- 3Koi PeptidesPeptology Labs · 8 certificatesCOA89%Price idxWell documented94%Visit82
- 4Origin LabsFreedom Diagnostics Testing · 10 certificatesCOA56%Price idxWell documented85%Visit81.8
- 5American PeptidesBioviridian Inc. · 39 certificatesVerified labPublic COA133%Price idxWell documented100%Visit79.8
- 6Ascension PeptidesKovera Labs · 32 certificatesPublic COA111%Price idxWell documented86%Visit75.9
- 7Good Science BioVanguard · 0 certificatesPublic COA89%Price idxWell documented75%Visit74.4
- 8Simple PeptideWhite Lyophilized Powder Analytical · 28 certificatesPublic COA150%Price idxWell documented89%Visit74
- 9Northline LabsILS Laboratories · 27 certificatesVerified labPublic COA200%Price idxWell documented93%Visit72.3
- 10NeuroLabs ResearchNeuro Labs · 16 certificatesPublic COA133%Price idxWell documented86%Visit71.4
- 11Vertex LabsFreedom Diagnostics Testing · 21 certificatesPublic COA149%Price idxWell documented70%Visit70.1
- 12Improved PeptidesPrincipal Chemist · 6 certificatesPublic COA100%Price idxWell documented89%Visit70
- 13Evo Labs ResearchKovera Labs · 3 certificatesPublic COA133%Price idxPartly documented89%Visit69
- 14Evolve PeptidesLab named on certificates · 0 certificatesPublic COA100%Price idxPartly documented67%Visit66
- 15Eternal PeptidesLab named on certificates · 0 certificatesPublic COA100%Price idxPartly documented65%Visit66
- 16Mile High CompoundsLaboratory A · 12 certificatesPublic COAEnforcement action100%Price idxPartly documented94%Visit64.1
- 17BioLongevity LabsLab named on certificates · 0 certificatesPublic COA213%Price idxPartly documented74%Visit59.2
Scores are computed from stored data points, not entered by hand — rubric v1.10.0. Methodology →